<<<<<<< HEAD
.box {
  height: 100px;
  width: 100px;
}
.box .box2 {
  width: 100px;
  height: 100px;
}
=======
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="index">123</div>
</body>
</html>
>>>>>>> e615173757947ad497788dd3483de3f950ca51cf
